{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950823,-0.309736,0.000000,0.000000,0.172010,-0.528032,0.831622,0.000000,-0.257048,0.789081,0.557923,0.000000,-1641196.194565,5038116.130324,3538377.203848,1],    "boundingVolume": {    "region": [1.885626,0.591781,1.885797,0.591981,0.000000,6.065772]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/10/4_1321977.b3dm"}}}